AppRole documentation tweaks (#1735)
AppRole documentation tweaks (#1735)

* Fix spelling error in AppRole docs

* Add force flag to sample command to generate a secret ID in AppRole docs

* Update sample output for AppRole login in docs

joelthompson/vault,quixoten/vault,danielsomerfield/vault,quixoten/vault,joelthompson/vault,ryon/vault,jmhardison/vault,quixoten/vault,hashicorp/vault,jmhardison/vault,hashicorp/vault,lemondrank/vault,hashicorp/vault,martin-ducar-gd/vault,LolalyLuo/vault,wjam/vault,lirao/vault,mymercurialsky/vault,Caiyeon/vault,Aloomaio/vault,deverton/hashicorp-vault,naunga/vault,kingland/vault,doodles526/vault,MonsantoCo/vault,kingland/vault,Banno/vault,chrishoffman/vault,wjam/vault,hartsock/vault,peteryhwong/vault,jgcallero/vault,Aloomaio/vault,skippy/vault,rnaveiras/vault,naunga/vault,deverton/hashicorp-vault,rnaveiras/vault,hartsock/vault,MonsantoCo/vault,cimarron-pistoncloud/vault,rnaveiras/vault,mymercurialsky/vault,jmhardison/vault,jam-pot/vault,jmhardison/vault,LolalyLuo/vault,doodles526/vault,joelthompson/vault,danielsomerfield/vault,tallpauley/vault,memory/vault,lemondrank/vault,jmhardison/vault,jam-pot/vault,memory/vault,hartsock/vault,joelthompson/vault,kingland/vault,ryon/vault,michaelansel/vault,mgk/vault,hartsock/vault,hartsock/vault,jgcallero/vault,rnaveiras/vault,michaelansel/vault,martin-ducar-gd/vault,mgk/vault,Aloomaio/vault,chrishoffman/vault,hashicorp/vault,hashicorp/vault,Caiyeon/vault,Aloomaio/vault,mgk/vault,peteryhwong/vault,kingland/vault,tallpauley/vault,cimarron-pistoncloud/vault,kingland/vault,lirao/vault,mgk/vault,Banno/vault,hashicorp/vault,rnaveiras/vault,skippy/vault,quixoten/vault